+64 (09) 448 2600
info@electrotest.co.nz
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Partial Discharge Testers

Partial Discharge is "A localized electrical discharge that only partially bridges the insulation between conductors and which can or cannot occur adjacent to a conductor" ---- quoted from IEC60270. 
When the Voltage stress exceeds the breakdown strength of that portion of the insulating material, a Partial Discharge begins and continues to deteriorate that insulation. 
When Partial discharges occur, various physical and chemical changes may happen, which produce emissions that we can detect, measure, diagnose and localize to prevent insulation failure  of Medium and High Voltage electrical equipment.
PD occurs in Solid, Liquid or Gaseous insulating mediums. PD can also occur in the form of Corona, Surface Tracking, or floating electrodes (metal to metal discharge) causing degradation of the insulation. Once PD begins it will always get worse. 80% of electrical fires are caused by insulation breakdown or failure and PD is the very first indication that insulation is breaking down. NFPA 70B states that insulation breakdown is the number one cause of electrical failures.
Hand Held Partial Discharge Detector
 
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b2 PD30

B2 PD30
 
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Partial Discharge tester option for VLF

b2 PD60

B2 PD60
 
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Partial Discharge tester option for VLF

b2 PD90

B2 PD90
 
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Partial Discharge tester option for VLF

b2 PD30

HVD PD30
 
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Partial Discharge tester option for VLF

b2 PD60

HVD PD60
 
Enquire
Partial Discharge tester option for VLF

b2 PD90

HVD PD90
 
Enquire
Partial Discharge tester option for VLF
 

CONTACT US

Postal Address
P.O. Box 300-475, 
Albany
Auckland 0752
New Zealand
 
Physical Address
12A Te Kea Place
Albany
Auckland 0632
New Zealand

Phone
+64 (09) 4482600

Fax
+64 (09) 4482611

Email
info@electrotest.co.nz
 
 

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